Maser (disambiguation)

A maser is a device that produces coherent electromagnetic waves.

Maser may also refer to:

• Maser (rocket), a sounding rocket launched from Esrange in Sweden
• Maser, Veneto, a municipality in Italy
• Astrophysical maser, a naturally occurring source of stimulated spectral line emission
• Maser, a codename later used by the DC Comics character Air Wave